CN108023645A - A kind of test method and device of Cable Modem descending powers - Google Patents

A kind of test method and device of Cable Modem descending powers Download PDF

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Publication number
CN108023645A
CN108023645A CN201711378490.9A CN201711378490A CN108023645A CN 108023645 A CN108023645 A CN 108023645A CN 201711378490 A CN201711378490 A CN 201711378490A CN 108023645 A CN108023645 A CN 108023645A
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Prior art keywords
cable modem
test
descending
power
powers
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雷志平
陈孟雪
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Shenzhen Gongjin Electronics Co Ltd
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Shenzhen Gongjin Electronics Co Ltd
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Priority to CN201711378490.9A priority Critical patent/CN108023645A/en
Publication of CN108023645A publication Critical patent/CN108023645A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
    • H04B17/102—Power radiated at antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3911—Fading models or fading generators

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

The present invention provides a kind of test method and device of Cable Modem descending powers, wherein the described method includes：Set and the corresponding MAC Address of Cable Modem for Cable Modem；The sending power and can extremely survey scope for the Cable Modem of adjustment Cable Modem Terminal System；Different test scenes is configured based on the Cable Modem Terminal System；Obtain actual downstream power of the Cable Modem under the test scene.Method provided by the present invention improves the efficiency of test, increase Test coverage degree, brought convenience for detection of the quality control officer for large number of equipment, saved the time cost for producing control of improving quality, human cost, huge economic benefit is brought for the research and development and production of product.

Description

A kind of test method and device of Cable Modem descending powers
Technical field
The present invention relates to product automation technical field of measurement and test, more specifically to a kind of Cable Modem downlink work( The test method and device of rate.
Background technology
Cable modem aka cable modem, English name CableModem, it is in recent years with net Network application expansion and grow up, be mainly used for cable television network and carry out data transmission.Cable Modem access technologies exist The growth momentum of global especially North America is very violent, and annual number of users is increased with the speed more than 100%, in China, existing Guangdong, The provinces and cities such as Shenzhen, Nanjing have opened Cable Modem accesses.It is the rival of telecommunications company's xDSL technologies maximum.Not Come, the xDSL access technologies based on traditional telephone network of telecommunications company camp's your kind effort development and Broadcast and TV system cable television manufacturer The Cable Modem technologies strongly promoted will be in access net market (particularly High Speed I nternet access markets) expansion fierceness Competition.Cable modem (Cable Modem) technology is namely based on the network access technique of CATV (HFC) net.
Cable modem (Cable Modem) is the cable of cable TV socket and equipment for surfing the net for being serially connected in user house Between, and the other end being attached thereto by cable TV network is (to be known as head end in cable TV station：Head-End). CableModem and conventional Modem is in a frequency model of Cable (cable) in principle after data are modulated Enclose interior transmission, when reception is demodulated, and transporting mechanism is identical with common Modem, and difference is that it is to pass through cable television Some transmission band of CATV is modulated demodulation.And the transmission medium of common Modem is only between the subscriber and the switch Vertical, i.e., user exclusively enjoys communication media.CableModem belongs to share medium system, and other free time frequency ranges still can be used for wired The transmission of TV signal.
The test of the existing descending power for being directed to CableModem, can only by manual operation frequency spectrograph, attenuator, CMTS carries out scrnario testing, and can only carry out the test of the man-to-man descending power for CableModem, testing efficiency is low, Test coverage degree is small, and the waste of manpower and materials is caused to the quality control in production, greatly increases production cost.
The content of the invention
In view of this, a kind of test method of Cable Modem descending powers of present invention offer and device are existing to solve The deficiency of technology.
To achieve the above object, the present invention provides a kind of test method of Cable Modem descending powers, including：
Set and the corresponding MAC Address of Cable Modem for Cable Modem；
The sending power and can extremely survey scope for the Cable Modem of adjustment Cable Modem Terminal System；
Different test scenes is configured based on the Cable Modem Terminal System；
Obtain actual downstream power of the Cable Modem under the test scene.
It is preferably, described that " adjust Cable Modem Terminal System sends power for the Cable Modem Scope can extremely be surveyed ", including：
Test systematic parameter is set；
Based on the test systematic parameter, obtain the Cable Modem Terminal System is directed to the Cable The described of Modem sends power；
Send whether power in described can survey scope described in judgement；
If it is not, " test systematic parameter is set " described in then returning.
Preferably, the test systematic parameter includes the uplink parameter and downlink of the Cable Modem Terminal System Parameter, and the parameter of attenuator.
Preferably, before described " different test scenes is configured based on the Cable Modem Terminal System ", also Including：
Frequency locking is carried out to the Cable Modem；
The Cable Modem are obtained by serial ports with the corresponding RFIP addresses of the MAC Address.
If the RFIP addresses of the Cable Modem can not be obtained, prompt to obtain failure, and be based on the MAC Address determines that the Cable Modem of RF IP address can not be obtained.
Preferably, described " obtaining actual downstream power of the Cable Modem under the test scene ", including：
Under the test scene, the attenuator parameter is configured, and frequency locking is carried out to the Cable Modem；
Obtain the actual downstream power of the Cable Modem.
Preferably, after described " obtaining actual downstream power of the Cable Modem under the test scene ", also Including：
Judge to be directed to the Cable Modem under the test scene to test whether to complete；
If it is not, " different test scenes is configured based on the Cable Modem Terminal System " described in then returning
If so, then generate the corresponding descending power test report of the MAC Address with the Cable Modem.
Preferably, before described " being set and the corresponding MAC Address of Cable Modem for Cable Modem ", also Including：
Receive the default test information tested for the descending power of Cable Modem；
Judge whether the default test information meets setting requirements；
If it is not, then return to " receiving the default test information tested for the descending power of Cable Modem ".
Preferably, the default test information includes：
Serial Port Information, frequency locking time, Cable Modem serial ports, Line Attenuation and the test frequency point of equipment under test.
In addition, the present invention also provides a kind of test device of Cable Modem descending powers, including memory and processing Device, the memory are used for the test program for storing Cable Modem descending powers, and the processor runs the Cable The test program of Modem descending powers is so that the test device execution of the Cable Modem descending powers is as described above The test method of Cable Modem descending powers.
In addition, the present invention also provides a kind of computer-readable recording medium, Cable on the computer-readable recording medium The test program of Modem descending powers, is realized such as when the test program of the Cable Modem descending powers is executed by processor The test method of Cable Modem descending powers described above.
The test method and device of a kind of Cable Modem descending powers provided by the invention.Wherein, the method passes through Different MAC Address is set to multiple Cable Modem in net, the power that sends of CMTS is adjusted and simulates different surveys Examination hall scape, so the actual downstream power of Cable Modem all in net is carried out full range point, total power, more scenes from Dynamic test, improves testing efficiency, increases Test coverage degree, be detection bring side of the quality control officer for large number of equipment Just, the time cost for producing control of improving quality, human cost have been saved, huge economic effect is brought for the research and development and production of product Benefit.
Brief description of the drawings
Fig. 1 is the flow diagram of the test method first embodiment of Cable Modem descending powers of the present invention；
Fig. 2 is the flow diagram of the test method second embodiment of Cable Modem descending powers of the present invention；
Fig. 3 is the flow diagram of the test method 3rd embodiment of Cable Modem descending powers of the present invention；
Fig. 4 is the flow diagram of the test method fourth embodiment of Cable Modem descending powers of the present invention；
Fig. 5 is the flow diagram of the 5th embodiment of test method of Cable Modem descending powers of the present invention；
Fig. 6 is the flow diagram of the test method sixth embodiment of Cable Modem descending powers of the present invention；
Fig. 7 is the flow diagram of the 7th embodiment of test method of Cable Modem descending powers of the present invention；
Fig. 8 is the connection for the device that the 7th embodiment of test method of Cable Modem descending powers of the present invention is based on Schematic diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
The embodiment of the present invention is described below in detail, wherein same or similar label represents same or like from beginning to end Element or there is same or like element.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Embodiment 1：
With reference to Fig. 1, first embodiment of the invention provides a kind of test method of Cable Modem descending powers, including：
Step S10, is set and the corresponding MAC Address of Cable Modem for Cable Modem；
It is above-mentioned, it is to be understood that MAC (Media Access Control or Medium Access Control) Address, free translation are media access control, or are physical address, hardware address, for defining the position of the network equipment.In OSI In model, third layer network layer is responsible for IP address, and second layer data link layer is then responsible for MAC Address.Therefore a host has One MAC Address, and each network site has an IP address for being specific to it.MAC Address is that network interface card determines, is fixed 's.
Above-mentioned, in the present embodiment, being directed to the test of Cable Modem descending powers needs to being tested in net The MAC Address of the Cable Modem of each is modified, and is reset, and one is redistributed for each Cable Modem MAC Address corresponding thereto.Reset different with the one-to-one MAC Address of Cable Modem, mainly there is two A effect：
1st, for Cable Modem to be measured, due to the MAC Address of Cable Modem, occur ground when being tested It is the problem of location conflicts mutually, new with each corresponding MAC Address of Cable Modem by redistributing, solve conflict Problem；
2nd, play mark action, due to same model Cable Modem MAC Address after dispatching from the factory it is identical, , it is necessary to be distinguish between by setting different MAC Address to every Cable Modem, in addition, before testing during detection If relevant Cable Modem failures or other problems afterwards, can also be determined by MAC Address, specifically a few The failure that platform occurs, and then targetedly solve the problems, such as.As, for each Cable Modem with configuring a unique MAC Location, other Cable Modem are different from by MAC Address.
Step S20, the power that sends for the Cable Modem for adjusting Cable Modem Terminal System extremely may be used Survey scope；
It is above-mentioned, it is to be understood that Cable Modem Terminal System, also referred to as CMTS (Cable Modem Terminal Systems), CMTS is the equipment of management control Cable Modem, its configure can by Console interfaces or with Too network interface is completed.It, which configures content, mainly has：Downstream frequency, Corticofugal Modulation of Somatosensory mode, downlink electrical equality.Downstream frequency is being specified Frequency range in can arbitrarily set, but in order not to disturb the signal of other channels, should refer to the channel division of cable television Table is selected on defined frequency point.
Scope can be surveyed, is that CMTS surveys scope to the Cable Modem power sent, during the test, general meeting Set a power points in power bracket bosom to carry out frequency locking to reach the standard grade.For example, in Europe superscript, it can generally survey scope and be advised in U.S. In, 256QAM scopes are in -15-15dbmV in two kinds of modulation systems, and 64QAM scopes are in -15-15dbmV；In being advised in Europe, two kinds of tune 256QAM scopes are in -13-17dbmV in mode processed, and 64QAM scopes are in -17-13dbmV.
Step S30, different test scenes is configured based on the Cable Modem Terminal System；
Above-mentioned, test scene, refers to test difference in the present embodiment, for example, difference, the modulation system of Europe rule and U.S. rule In 256QAM and 64QAM difference, the difference etc. that whether has attached chip, in the present embodiment, by the way that these tests are poor It is not combined and is tested, so as to fulfill the acquisition of the power for Cable Modem under different scenes.
Step S40, obtains actual downstream power of the Cable Modem under the test scene.
In the present embodiment, there is provided a kind of Cable Modem descending powers test method.Wherein, the method passes through Different MAC Address is set to multiple Cable Modem in net, the power that sends of CMTS is adjusted and simulates different surveys Examination hall scape, so the actual downstream power of Cable Modem all in net is carried out full range point, total power, more scenes from Dynamic test, improves testing efficiency, increases Test coverage degree, be detection bring side of the quality control officer for large number of equipment Just, the time cost for producing control of improving quality, human cost have been saved, huge economic effect is brought for the research and development and production of product Benefit.
Embodiment 2：
With reference to Fig. 2, second embodiment of the invention provides a kind of test method of Cable Modem descending powers, based on upper The first embodiment shown in Fig. 2 is stated, described " adjust Cable Modem Terminal System is directed to the Cable Modem's Scope can extremely be surveyed by sending power ", including：
Step S21, sets test systematic parameter；
The test systematic parameter includes the uplink parameter and downstream parameter of the Cable Modem Terminal System, with And the parameter of attenuator.
It is above-mentioned, it is to be understood that attenuator is a kind of electronic component for providing decay, is widely used in electronics and sets In standby, it is mainly used for：The size of signal in adjustment circuit；In comparative method for measuring circuit, direct-reading is can be used to by survey grid The pad value of network；Improve impedance matching, can be in this circuit if some circuit requirements have a more stable load impedance An attenuator is inserted between actual loading impedance, the change of impedance can be buffered.
In the present embodiment, in the test method of Cable Modem descending powers, cable modem termination system is adjusted The sending power and can extremely survey scope for the Cable Modem of system, first has to say the cable modem termination system The uplink parameter and downstream parameter of system, and the test such as parameter of attenuator systematic parameter are configured, and then are joined according to setting Number is carried out for sending power limit in the range of it can survey.
Step S22, based on the test systematic parameter, it is described to obtain being directed to for the Cable Modem Terminal System The described of Cable Modem sends power；
Step S23, sends whether power in described can survey scope described in judgement；
If it is not, " test systematic parameter is set " described in then returning.
It is above-mentioned, in the present embodiment, pass through sending power and whether reach the judgement that can survey scope and go forward side by side for CMTS Row adjustment, and then realize that the power that sends for the Cable Modem of adjustment Cable Modem Terminal System extremely may be used Survey the purpose of scope.Above-mentioned, it is that the power that CMTS is sent arrives after attenuator and measurement circuit loss to send power Up to the theoretical power (horse-power) of Cable Modem head ends.
Embodiment 3：
With reference to Fig. 3, third embodiment of the invention provides a kind of test method of Cable Modem descending powers, based on upper State the first embodiment shown in Fig. 2, described " different test scenes is configured based on the Cable Modem Terminal System " Before, further include：
Step S50, frequency locking is carried out to the Cable Modem；
Step S60, the Cable Modem are obtained by serial ports with the corresponding RF IP address of the MAC Address；
Above-mentioned, each MAC Address corresponds to a Cable Modem, after Cable Modem frequency lockings, is taken by DHCP Business device gets corresponding RF IP address.
Step S70, if the RF IP address of the Cable Modem can not be obtained, prompts to obtain failure, and base Determine that the Cable Modem of RF IP address can not be obtained in the MAC Address.
It is above-mentioned, by obtaining the corresponding RF IP address of MAC Address with Cable Modem for serial ports, if obtaining During, there is situation about can not obtain, then have can not for prompting in the test system where this test method or device Prompting of the Cable Modem progress of RFIP for failure is obtained, and by corresponding only with failure Cable Modem It is related reporting an error while determining if failure Cable Modem as in test where one MAC Address determines it Failure Cable Modem.The present embodiment, by corresponding MAC Address, realizes and goes out for the Cable Modem connected in net During existing failure, relevant failure Cable Modem are directly found, improve the work efficiency of quality control officer.
Embodiment 4：
With reference to Fig. 4, fourth embodiment of the invention provides a kind of test method of Cable Modem descending powers, based on upper The first embodiment shown in Fig. 2 is stated, it is described " to obtain actual downstream work(of the Cable Modem under the test scene Rate ", including：
Step S41, under the test scene, configures the attenuator parameter, and the Cable Modem are locked Frequently；
It is above-mentioned, during being tested, under relevant test scene, carried out in next step by configuring relevant parameter Test.Specifically, configuring the parameter of attenuator first, and then frequency locking is carried out to Cable Modem.
Step S42, obtains the actual downstream power of the Cable Modem.
After frequency locking, actual downstream power of the Cable Modem under current scene is directly acquired.Specifically, it can lead to The performance number for crossing reading frequency spectrograph and MIB Browser is obtained.Actual downstream power, the power as obtained by CMD, It is the actual signal size after head end processing.
Embodiment 5：
With reference to Fig. 5, fifth embodiment of the invention provides a kind of test method of Cable Modem descending powers, based on upper State the first embodiment shown in Fig. 2, described " obtaining actual downstream power of the Cable Modem under the test scene " Afterwards, further include：
Step S80, judges to be directed to the Cable Modem under the test scene and tests whether to complete；
It is above-mentioned, in the present embodiment, to testing whether that completion is detected under current scene.As to current scene Under, after the actual downstream performance number of Cable Modem is obtained, judge whether that acquisition terminates.
If it is not, " different test scenes is configured based on the Cable Modem Terminal System " described in then returning；
It is above-mentioned, if occurring not terminating to test, as to actual downstream performance numbers of the Cable Modem under current scene not Success is not obtained, then returns and perform step " different test scenes is configured based on the Cable Modem Terminal System ", Configuration testing scene is re-started, and then reacquires actual downstream power of the Cable Modem under the scene of place.
Step S90, if so, then generation and the corresponding descending power of the MAC Address of the Cable Modem are tested Report.
It is above-mentioned, if having got actual downstream power of the Cable Modem under current scene, carry out generation report Data.According to the difference of actual test process, the corresponding data report of generation is different.In the present embodiment, report can wrap Include pattern one：Descending power Calibration Report and pattern two：Descending power audit report, the corresponding test content of different reports is not Together；For example, including auxiliary core piece in test process, test channel is more, then corresponding report should select and the test event phase Corresponding test report.
Embodiment 6：
With reference to Fig. 7, sixth embodiment of the invention provides a kind of test method of Cable Modem descending powers, based on upper State the first embodiment shown in Fig. 2, described " being set and the corresponding MAC Address of Cable Modem for Cable Modem " Before, further include：
Step S100, receives the default test information tested for the descending power of Cable Modem；
The default test information includes：
Serial Port Information, frequency locking time, Cable Modem serial ports, Line Attenuation and the test frequency point of equipment under test.
Above-mentioned, default test information includes Serial Port Information, frequency locking time, Cable Modem serial ports, the circuit of equipment under test Decay and test frequency point, are the test information inputted in advance before test by tester, which is directed to this batch Secondary Cable Modem to be measured are targetedly set.
Step S110, judges whether the default test information meets setting requirements；
If it is not, then return to " receiving the default test information tested for the descending power of Cable Modem ".
Above-mentioned, when carrying out the input of default test information, test system or device are before test, it is necessary to detect user Whether the information of input is correct, for example, whether the form of frequency locking time is correct, if in the normal frequency locking time range of restriction It is interior, whether test frequency point correct etc..By setting default test information, so as to fulfill for Cable Modem descending powers The automation of test process.
Embodiment 7：
With reference to Fig. 7, in order to be better understood from the test method of Cable Modem descending powers provided by the present invention, carry For the 7th embodiment of the test method of the Cable Modem descending powers of the present invention, realized especially by following steps：
1st, debugging is prepared before test：Input test information, Serial Port Information, frequency locking time, Cable such as equipment under test Modem serial ports, Line Attenuation, test frequency point etc.；This test system starts to test, and just whether the information that detection user inserts first Really, it is if illegal, stop test；And then empty test report data and empty daily record data are generated, for testing afterwards When supplemental data；Pertinent instruments are initialized such as frequency spectrograph, attenuator, test prototype, if initialization unsuccessfully stops test.
2nd, the sending power and can extremely survey model for the Cable Modem of Cable Modem Terminal System is adjusted Enclose：Modify Cable Modem Mac addresses；CMTS uplinks, downstream parameter are configured first, configure attenuator size；Configuration Frequency spectrograph simultaneously reads current power；Judge whether to need to reset attenuator, CMTS according to the volume performance number that frequency spectrograph is read； Reconfigure CMTS and attenuator；
3rd, IP and configuration scene are obtained：Cable Modem frequency lockings；Cable Modem RF IP address is obtained by serial ports； CMTS is configured in different scenes；
4th, the actual downstream power of Cable Modem is obtained：Configure attenuator；Cable Modem frequency lockings；Read frequency spectrograph And MIB Browser performance numbers；
5th, the judgement for testing whether end after actual downstream power obtains：Whether detection test scene is tested Into if not testing completion then performs configuration CMTS the different scenes the step of.If test is completed, test is prompted to terminate And carry out the report generation of next step；
6th, report generation：Detect test pattern；
Test pattern includes as follows：Descending power Calibration Report and descending power audit report；Respectively according to specific test Process generates corresponding test report；Test terminates.
It is above-mentioned, with reference to figure 8, for the test method of the Cable Modem descending powers provided in the embodiment of the present invention 7 The test device for the Cable Modem descending powers being based on, including：Control module, power-frequency test module, adjustable damping Module and Cable Modem Terminal System module.Wherein, in the present invention, control module is main control computer, main control computer Can be fixed station formula terminal, or portable mobile apparatus, such as mobile PC, Intelligent mobile equipment, tablet computer etc..
The adjustable damping module, in the present invention it is possible to be attenuator.
The Cable Modem Terminal System module can be Cable Modem Terminal System CMTS.
The power-frequency test module, in the present invention it is possible to be power splitter.
It is to be appreciated that power splitter full name power divider, English name Power divider, are that one kind will be defeated all the way Enter the device that signal energy is divided into two-way or the equal or unequal energy of multiple-channel output, in turn can also close multiple signals energy Into exporting all the way, combiner can be also referred to as at this time.It should ensure that certain isolation between the output port of one power splitter.Work(point Device is generally divided into one-to-two (two outputs of an input), one point three (three outputs of an input) etc. by output.Power splitter Important technological parameters power loss (including insertion loss, distribution loss and reflection loss), the voltage standing wave ratio of each port, work( Isolation, amplitude balance between rate distribution port, phase balance, power capacity and frequency bandwidth etc..
In addition, in device provided by the present invention, can also include carrying out the frequency that test obtains relevant device performance number Spectrometer, impedance transducer etc..Specific connection mode can be attached as follows：
Cable Modem Terminal System (CMTS) down going channel is connected with adjustable attenuator input interface by Cable lines Connect；
Cable Modem Terminal System data feedback channel is connected with power splitter by Cable lines；
Adjustable attenuator output interface is connected by Cable lines with power splitter；
Power splitter output interface is connected with Cable Modem respectively by Cable lines；
Power splitter output interface turns 50 Ω impedance adapters with 75 Ω by Cable lines and is connected；
75 Ω turn 50 Ω impedance adapters and are connected with frequency spectrograph " 50 Ω of RF INPUT " input interface；
Main control computer is connected by gpib interface with frequency spectrograph；
Main control computer is connected with Cable Modem respectively by RS232 interface；
Main control computer is connected by RS232 interface with adjustable attenuator；
Main control computer is connected by RS232 interface with Cable Modem Terminal System；
The main control computer, operation automatic test software carry out descending power calibration or inspection, are initially configured respectively Cable Modem MAC Address, pad value, CMTS uplinks, downstream frequency and power, a test scene is formed, is recalled CMD transmitting order to lower levels reads Cable Modem descending powers and reads the current frequency point descending power of frequency spectrograph by interface；
The automatic test software, after testing a test scene, record data to EXCEL are simultaneously written to test report Accuse；
The automatic test software, after testing all scenes, generates test report；
Cable Modem offset are write by interface after the automatic test software progress calibration test.
The present invention also provides a kind of test device of Cable Modem descending powers, including memory and processor, institute The test program that memory is used to store Cable Modem descending powers is stated, the processor is run under the Cable Modem The test program of row power is so that the test device of the Cable Modem descending powers performs Cable as described above The test method of Modem descending powers.
The present invention also provides a kind of computer-readable recording medium, Cable on the computer-readable recording medium The test program of Modem descending powers, is realized such as when the test program of the Cable Modem descending powers is executed by processor The test method of Cable Modem descending powers described above.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row His property includes, so that process, method, article or system including a series of elements not only include those key elements, and And other elements that are not explicitly listed are further included, or further include as this process, method, article or system institute inherently Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this Also there are other identical element in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases The former is more preferably embodiment.Based on such understanding, technical scheme substantially in other words does the prior art Going out the part of contribution can be embodied in the form of software product, which is stored in one as described above In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone, Computer, server, or network equipment etc.) perform method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made, is directly or indirectly used in other relevant skills Art field, is included within the scope of the present invention.

Claims (10)

  1. A kind of 1. test method of Cable Modem descending powers, it is characterised in that including：
    Set and the corresponding MAC Address of Cable Modem for Cable Modem；
    The sending power and can extremely survey scope for the Cable Modem of adjustment Cable Modem Terminal System；
    Different test scenes is configured based on the Cable Modem Terminal System；
    Obtain actual downstream power of the Cable Modem under the test scene.
  2. 2. the test method of Cable Modem descending powers as claimed in claim 1, it is characterised in that " the adjustment cable tune The sending power and can extremely survey scope for the Cable Modem of Modem Termination System ", including：
    Test systematic parameter is set；
    Based on the test systematic parameter, obtain the Cable Modem Terminal System is directed to the Cable Modem Described send power；
    Send whether power in described can survey scope described in judgement；
    If it is not, " test systematic parameter is set " described in then returning.
  3. 3. the test method of Cable Modem descending powers as claimed in claim 2, it is characterised in that the test system ginseng Number includes the uplink parameter and downstream parameter of the Cable Modem Terminal System, and the parameter of attenuator.
  4. 4. the test method of Cable Modem descending powers as claimed in claim 1, it is characterised in that described " to be based on the electricity Before the different test scene of modem terminal system configuration ", further include：
    Frequency locking is carried out to the Cable Modem；
    The Cable Modem are obtained by serial ports with the corresponding RFIP addresses of the MAC Address.
    If the RFIP addresses of the Cable Modem can not be obtained, prompt to obtain failure, and be based on the MAC Address The definite Cable Modem that can not obtain RF IP address.
  5. 5. the test method of Cable Modem descending powers as claimed in claim 1, it is characterised in that described " described in acquisition Actual downstream power of the Cable Modem under the test scene ", including：
    Under the test scene, the attenuator parameter is configured, and frequency locking is carried out to the Cable Modem；
    Obtain the actual downstream power of the Cable Modem.
  6. 6. the test method of Cable Modem descending powers as claimed in claim 1, it is characterised in that described " described in acquisition After actual downstream power of the Cable Modem under the test scene ", further include：
    Judge to be directed to the Cable Modem under the test scene to test whether to complete；
    If it is not, " different test scenes is configured based on the Cable Modem Terminal System " described in then returning
    If so, then generate the corresponding descending power test report of the MAC Address with the Cable Modem.
  7. 7. the test method of Cable Modem descending powers as claimed in claim 1, it is characterised in that described " for Cable Modem is set and the corresponding MAC Address of Cable Modem " before, further include：
    Receive the default test information tested for the descending power of Cable Modem；
    Judge whether the default test information meets setting requirements；
    If it is not, then return to " receiving the default test information tested for the descending power of Cable Modem ".
  8. 8. the test method of Cable Modem descending powers as claimed in claim 7, it is characterised in that the default test letter Breath includes：
    Serial Port Information, frequency locking time, Cable Modem serial ports, Line Attenuation and the test frequency point of equipment under test.
  9. 9. a kind of test device of Cable Modem descending powers, it is characterised in that described to deposit including memory and processor Reservoir is used for the test program for storing Cable Modem descending powers, and the processor runs the Cable Modem downlink work( The test program of rate is so that the test device of the Cable Modem descending powers is performed such as any one of claim 1-8 institutes State the test method of Cable Modem descending powers.
  10. A kind of 10. computer-readable recording medium, it is characterised in that Cable Modem on the computer-readable recording medium The test program of descending power, realizes such as right when the test program of the Cable Modem descending powers is executed by processor It is required that the test method of Cable Modem descending powers any one of 1-8.
CN201711378490.9A 2017-12-19 2017-12-19 A kind of test method and device of Cable Modem descending powers Pending CN108023645A (en)

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CN113067602A (en) * 2021-03-18 2021-07-02 深圳市共进电子股份有限公司 Method, device, terminal and storage medium for determining calibration parameters

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CN105871418A (en) * 2016-06-14 2016-08-17 太仓市同维电子有限公司 Method for monitoring output power of CMTS (Cable Modem Terminal System)
CN106789148A (en) * 2016-11-17 2017-05-31 深圳创维数字技术有限公司 A kind of localization method of cable modem regional location, system and server

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US9258237B1 (en) * 2013-06-17 2016-02-09 Juniper Networks, Inc. Enhancing DOCSIS services through network functions virtualization
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CN108965860A (en) * 2018-06-05 2018-12-07 深圳市共进电子股份有限公司 The anti-interference test system of cable modem downlink signal, method and device
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Application publication date: 20180511